Page History

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Wednesday, December 3 2025: jdk17u-dev repo open (tag: 17.0.19+0)
Tuesday, February 3 2026: First merge from jdk17u-dev to jdk17u (tag: 17.0.19+1)
Tuesday, March 3 2026: Rampdown: last merge from jdk17u-dev to jdk17u
Tuesday, March 31 2026: Last tag before code freeze
Tuesday, April 21 2026 GA; OpenJDK 17.0.19 released (tag: jdk-17.0.19-ga)

OpenJDK 17.0.20

Generic timetable:

weeks	jdk17u-dev	jdk17u
release of update n-1
for two weeks after release of update n-1	development of n ongoing	closed
3-5 weeks	development of n ongoing	bulk merge from jdk17u-dev to jdk17u, tagging builds
4 weeks	development of n+1	public rampdown of update n, tagging
3 weeks	development of n+1	closed, rampdown of embargoed changes.
release of update n

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